Warning sign



FIG. 1 is a perspective view of the warning sign in the flatorientation;

FIG. 2 is a top view of the warning sign;

FIG. 3 is a bottom view of the warning sign;

FIG. 4 is a front view of the warning sign;

FIG. 5 is a back view of the warning sign;

FIG. 6 is a side view of the warning sign;

FIG. 7 is a side view of the warning sign; and,

FIG. 8 is a perspective view of the assembled device on a shippingcontainer.

In the drawings, the dotted broken lines represent perforations. Thedashed broken lines showing text on the warning sign and a shippingcontainer illustrate environment and form no part of the claimed design.

CLAIM The ornamental design for an warning sign, as shown and described.